Fosi MD3 Review: Tiny DAC, Surprisingly Useful

The Fosi MD3 is a compact portable DAC and headphone amplifier featuring an ESS ES9039Q2M DAC chip, balanced output, and a unique magnetic design. In this review, I test it with Apple Music Hi-Res, IEMs, and HIFIMAN HE600 planar headphones to see how it performs in real-world use. Is this a genuinely useful portable DAC, or just another gadget? Let’s find out. Some links may be affiliate links, including Amazon Associates links, which means I may earn a commission at no additional cost to you. Other affiliate programs may also be used. This product was provided for review, but all opinions are my own and based on my independent testing. ✅The MD3 https://amzn.to/4uW7eY7 (Amazon) * As an Amazon Associate I earn from qualifying purchases* My Amazon Affiliate Link http://amzn.to/2sfgypU Amazon Store https://www.amazon.com/shop/frugaltech ✅ Check out Amazon Music HGD https://amzn.to/3G32V5D Review Gear for Desktop HIFI ✅ Wiim Pro Plus Streamer https://amzn.to/4uuSSgO (Amazon) ✅ Topping D70 Pro Sabre Dac https://amzn.to/4dziMJ7 (Amazon) ✅ SMSL DO400 Dac and Headphone Amp https://amzn.to/4dwQuQN (Amazon) ✅ HIFIMAN Arya Organic Headphones https://amzn.to/46Uw7dD( Amazon) ✅ KEF Q150 https://amzn.to/4cvNYGI (Amazon) ✅ Wiim Ultra https://amzn.to/4jj9Vw7 (Amazon) ✅ SMSL PL100 prohttps://amzn.to/4tz7FX2 (Amazon) ✅ Fosi ZPE3 https://amzn.to/4fF5njJ (Amazon) ✅ HIFIMAN HE1000 https://amzn.to/4kCzsBy (Amazon) ✅ Fosi ZA3 Mono Blocks https://amzn.to/3FrDGx0 (Amazon) ✅ HIFIMAN EF400 Dac and Headphone Amp. https://amzn.to/4keYDdV (Amazon) ✅ Headphone Stand https://amzn.to/3Sq9aXo (Amazon)